N(prime)-aryl Formimidines (i.e., Benzene-n=ch-hnh, Wherein Substitution May Be Made For Hydrogen, Including Those Bonded Directly To The Benzene Ring Only) Patents (Class 564/245)
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Patent number: 5753239Abstract: Bi-aromatic compounds are provided along with methods for their preparation and use.Type: GrantFiled: June 6, 1995Date of Patent: May 19, 1998Assignee: Centre International de Recherches Dematologiques Galderma (Cird Galderma)Inventors: Jean-Philippe Rocher, Jean-Michel Bernardon
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Patent number: 5721247Abstract: There are provided novel compounds of formula I ##STR1## wherein D, R.sup.1, R.sup.2, R.sup.3, X and p are as defined in the specification together with processes for their preparation, compositions containing them and their use in therapy.Compounds of formula I are expected to be useful inter alia in the treatment of neurodegenerative disorders.Type: GrantFiled: November 14, 1995Date of Patent: February 24, 1998Assignee: Astra AktiebolagInventor: James Edwin Macdonald
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Patent number: 5712418Abstract: The present invention is directed to the process of preparing a peptide comprising reacting a first amino acid or peptide with an amino acid fluoride of the formula: ##STR1## or the acid fluoride salts thereof wherein BLK is an N-amino protecting groupAA is an amino acid residue andX is H or a protecting group useful,and the first amino and peptide have a free amino group and a blocked carboxy end.Type: GrantFiled: August 2, 1994Date of Patent: January 27, 1998Assignee: Research Corporation Technologies, Inc.Inventors: Louis A. Carpino, Ayman Ahmed El-Faham
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Patent number: 5552443Abstract: N,N'-disubstituted-amidines, e.g., of the formula ##STR1## wherein R, R' and R" are substituted or unsubstituted hydrocarbon and/or heterocyclic groups.Methods are provided for the treatment or prophylaxis of anxiety in an animal for treating psychosis, and for treating hypertension by administering an effective amount of an N,N'-disubstituted amidine which, preferably, has a high affinity for the sigma receptor.Type: GrantFiled: January 18, 1994Date of Patent: September 3, 1996Assignees: Oregon Health Sciences University, The University of OregonInventors: John F. W. Keana, Eckard Weber
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Patent number: 5308869Abstract: N,N'-disubstituted-amidines, e.g., of the formula ##STR1## wherein R, R' and R" are substituted or unsubstituted hydrocarbon and/or heterocyclic groups.Methods are provided for the treatment or prophylaxis of anxiety in an animal, for treating psychosis, and for treating hypertension by administering an effective amount of an N,N'-disubstituted amidine which, preferably, has a high affinity for the sigma receptor.Type: GrantFiled: March 30, 1992Date of Patent: May 3, 1994Assignee: State of Oregon, acting by and through the Oregon State Board of Higher EducationInventors: John F. W. Keana, Eckard Weber
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Patent number: 5302720Abstract: Compounds of formula I ##STR1## and their salts in which R.sub.1 is optionally substituted phenyl, R.sub.2 is alkyl, cycloalkyl or optionally substituted amino, or R.sub.2 and R.sub.3 together with the nitrogen and carbon atoms to which they are attached form an optionally substituted heterocyclic ring or R.sub.3 and R.sub.4 together with the nitrogen atom to which they are attached form an optionally substituted heterocyclic ring and R.sub.5 is H, halo, alkyl, alkoxy, trifluoromethyl or a group of formula S(O).sub.m R.sub.8 in which m is 0, 1 or 2 and R.sub.8 is alkyl have utility in the treatment of diabetes particularly in the treatment of hyperglycaemia.Type: GrantFiled: June 17, 1992Date of Patent: April 12, 1994Assignee: The Boots CompanyInventor: Balasubramanian Gopalan
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Patent number: 5011628Abstract: Substituted benzamidines and their hydrochloride salts are useful as ultraviolet light absorbers, the benzamidines having the formula ##STR1## wherein: A.sup.1 and A.sup.2 may be the same or different and represent --COOR.sup.1, --CONR.sup.1 R.sup.2, --C.tbd.N or --C.sub.6 H.sub.5 ;A.sup.3 represents --H, --OH, --OR, --Cl, --NO.sub.2, --C.tbd.N, --C.sub.6 H.sub.5, or an alkyl group of one to five carbon atoms;R.sup.1 and R.sup.2 may be the same or different and represent hydrogen or an alkyl group of one to ten carbon atoms; and,R represents an alkyl group of one to ten carbon atoms.Type: GrantFiled: April 11, 1989Date of Patent: April 30, 1991Assignee: Givaudan CorporationInventors: Isaac D. Cohen, Joseph A. Virgilio
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Patent number: 4965284Abstract: This disclosure described novel derivatives of dibenzothiophene, dibenzothiophene sulfoxide, dibenzothiophene sulfone, thioxanthene, thioxanthene sulfoxide and thioxanthene sulfone which are active as modulators of the mammalian immune response system.Type: GrantFiled: April 25, 1989Date of Patent: October 23, 1990Assignee: American Cyanamid CompanyInventors: Vijay G. Nair, Ramson B. Conrow, Bosco S. Wang, V. M. Ruszala-Mallon
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Patent number: 4808750Abstract: Novel fluorophenoxyphenoxypropionates and derivatives thereof possess herbicidal activity selectively in the presence of broadleaf crops. Preemergent and postemergent applications are contemplated.Type: GrantFiled: July 14, 1986Date of Patent: February 28, 1989Assignee: The Dow Chemical CompanyInventors: Richard B. Rogers, B. Clifford Gerwick, III
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Patent number: 4777281Abstract: The invention relates to novel [(3,4-dichloro-6,7,8,8a,9,10-hexahydro-6-oxo-8a-substituted-2-phenanthreny l)ox yl]-alkanoic acids and -ethanimidamides and their salts. The compounds are useful for the treatment and prevention of injury to the brain and of edema due to head trauma, stroke (particularly ischemic), arrested breathing, cardiac arrest, Reye's syndrome, cerebral thrombosis, cerebral embolism, cerebral hemorrhage, cerebral tumors, encephalomyelitis, spinal cord injury, hydrocephalus, post-operative brain injury trauma, edema due to cerebral infections and various brain concussions.Type: GrantFiled: March 3, 1986Date of Patent: October 11, 1988Assignee: Merck & Co., Inc.Inventors: Otto W. Woltersdorf, Jr., Edward J. Cragoe, Jr.
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Patent number: 4670593Abstract: Dichloroacetamidines having the formula ##STR1## in which A and B are independently selected from hydrogen, fluorine, chlorine, bromine and methyl, provided that at least one of A or B is other than hydrogen;M is hydrogen or methyl;X is selected from the group consisting of trifluoromethyl, lower alkyl, nitro, chloro, bromo, fluoro, cyano, lower alkoxy acetyl, lower alkylthio, trifluoromethylthio, and 3,3-diloweralkyl ureido;Y is selected from the group consisting of hydrogen, lower alkyl, chloro, fluoro, nitro, trifluoromethyl, and lower alkoxy;Z is selected from the group consisting of hydrogen and chloro;R.sub.1 is selected from the group consisting of hydrogen, alkyl and allyl;R.sub.2 is selected from the group consisting of alkyl, allyl, benzyl, hydroxyalkyl, alkynyl, N-alkyl amido, alkoxyalkyl, dialkoxyalkyl, alkoxy, cyano alkyl, substituted phenyl wherein the substituent is selected from the group trifluoromethyl, dichloro and 3,3-dimethylureido; andR.sub.1 and R.sub.Type: GrantFiled: November 5, 1984Date of Patent: June 2, 1987Assignee: Stauffer Chemical Co.Inventor: Eugene G. Teach
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Patent number: 4644065Abstract: A new process for the preparation of 3-(1H-tetrazol-5-yl)-4(3H)-quinazolinones from anthranilic acid derivatives is described herein. Additional reactants used in the process are 4-aminotetrazole and a trialkoxymethane or the reaction can be carried out using the imidic ester obtained from these two compounds.Type: GrantFiled: May 15, 1984Date of Patent: February 17, 1987Assignee: Merrell Dow Pharmaceuticals Inc.Inventor: Anna P. Vinogradoff
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Patent number: 4612395Abstract: A process for the production of N-(2-methyl-4-chlorophenyl)-formamidine derivatives of formula ##STR1## wherein R.sub.1 is hydrogen or an alkyl radical having 1 to 4 carbon atoms and R.sub.2 is an alkyl radical having 1 to 4 carbon atoms is disclosed which comprises reacting an N-substituted formamide with an inorganic acid chloride, such as phosphorus oxychloride, thionylchloride and phosgene, condensing the intermediate formed with o-toluidine and subsequently chlorinating the N-(2-methylphenyl)-formamidine derivative formed, all reaction steps involved in said process being carried out in the same solvent which is selected from the group of halogenated hydrocarbons.Type: GrantFiled: August 11, 1978Date of Patent: September 16, 1986Assignee: Ciba-Geigy CorporationInventors: Roland Dousse, Raoul Nebel
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Patent number: 4567188Abstract: Compounds of the formula ##STR1## in which R.sup.1 is an optionally substituted aryl or heteroaryl radical,R.sup.2 is an alkyl or alkenyl radical which is optionally substituted by alkoxy or cycloalkyl, or an optionally substituted aryl or heteroaryl radical, and X is an optionally aklyl-substituted methylene radical or a direct bond, but if X is a direct bond R.sup.2 is not aryl,or physiologically acceptable acid addition salts thereof, exhibit activity on the circulation system particularly as hypotensive agents.Type: GrantFiled: August 10, 1983Date of Patent: January 28, 1986Assignee: Bayer AktiengesellschaftInventors: Ekkehard Niemers, Andreas Knorr, Bernward Garthoff
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Patent number: 4503076Abstract: The compound N-(2,6-dichlorophenyl)acetamidine ##STR1## and its addition salts with pharmaceutically compatible inorganic and organic acids, exhibit a fast, strong vasodilator and antihypertensive action, which is of prolonged duration.Type: GrantFiled: September 27, 1982Date of Patent: March 5, 1985Assignee: Ausonia Farmaceutic s.r.l.Inventor: Leonardo De Vincentiis
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Patent number: 4448975Abstract: Amidines are one of the strongest organic bases and find application where this property is needed, such as in phase transfer catalysis in the form of their substituted derivatives. Their use, however, has been hampered by their expensive nature due to only mediocre yields in their preparation. The present invention provides a process for the preparation of substituted amidines in essentially quantitative yields.Type: GrantFiled: October 15, 1981Date of Patent: May 15, 1984Assignee: General Electric CompanyInventor: Victor Mark
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Patent number: 4368335Abstract: This disclosure describes novel N'-[2,6-dichloro-4-(substituted-benzylamino)phenyl]-N,N-dimethyl-formamidi nes which possess activity as hypotensive agents and as diuretics.Type: GrantFiled: November 25, 1981Date of Patent: January 11, 1983Assignee: American Cyanamid CompanyInventors: Walter E. Meyer, Andrew S. Tomcufcik, Joseph W. Marsico, Jr.
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Patent number: 4360466Abstract: This disclosure describes novel N'-[2,6-dichloro-4-(substituted-benzylideneamino)phenyl]-N,N-dimethylforma midines which possess activity as hypotensive agents and as diuretics.Type: GrantFiled: November 25, 1981Date of Patent: November 23, 1982Assignee: American Cyanamid CompanyInventors: Walter E. Meyer, Andrew S. Tomcufcik, Joseph W. Marsico, Jr.
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Patent number: 4341788Abstract: This invention is directed to 2-(2-chloro-4-cyclopropyl-phenyl-imino)-imidazolidine, and acid addition salts thereof, the preparation of said compounds, and the use of said compounds as bradycardiacs.Type: GrantFiled: April 15, 1981Date of Patent: July 27, 1982Assignee: C. H. Boehringer SohnInventors: Helmut Stahle, Herbert Koppe, Werner Kummer, Wolfgang Hoefke, Ludwig Pichler
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Patent number: 4321202Abstract: Amidines are one of the strongest organic bases and find application where this property is needed, such as in phase transfer catalysis in the form of their substituted derivatives. Their use, however, has been hampered by their expensive nature due to only mediocre yields in their preparation. The present invention provides a process for the preparation of substituted amidines in essentially quantitative yields.Type: GrantFiled: December 26, 1979Date of Patent: March 23, 1982Assignee: General Electric CompanyInventor: Victor Mark
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Patent number: 4281142Abstract: A multistep process is presented for the preparation of imidazobenzodiazepines of the formula ##STR1## wherein X and Y are selected from the group consisting of hydrogen, halogen and trifluoromethyl.Also presented are novel intermediates utilized in the process.The end products are useful as sedatives, anxiolytics, muscle relaxants and anticonvulsants.The end products are especially useful in intravenous compositions for use in preoperative anesthesia.Type: GrantFiled: September 27, 1979Date of Patent: July 28, 1981Assignee: Hoffmann-La Roche Inc.Inventors: George F. Field, William J. Zally